*{
    margin: 0;
    padding: 0;
}
body{
    background: white;
}
a{
    text-decoration: none;
}
ul{
    list-style-type: none;
}
h2{
    position: absolute;
    top: 18px;
    color:rgb(9, 170, 255);
}
#header{
    width: 80%;
    height: 60px;
    color:  rgb(100, 100, 100);
    margin: 0 auto;
    top: 0;
}
#title ul li {
    width: auto;
    float: left;
    /*border: 1px solid;*/
    margin-top: 15px;
    margin-left: 15%;
    color:rgb(9, 170, 255);
}
#sou{
    width: 60px;
    height: 30px;
    font-size: 14px;
    color: white;
    background: rgb(9, 170, 255);
    border-radius: 20px; /*圆角边框*/
    border-width: 0;
    cursor: pointer; /*鼠标悬停变成手型*/
    position: absolute;
    top: 17px;
    left: 50%;
}
.txt{
    width: 100%;
    border: 1px solid rgb(234, 234, 234);
    height: 30px;
}
.login{
    width: 40px;
    height: 30px;
    font-size: 14px;
    color: white;
    background: rgb(9, 170, 255);
    border-radius: 4px; /*圆角边框*/
    border-width: 0;
    cursor: pointer; /*鼠标悬停变成手型*/
}
.login:hover{
    background:rgb(9, 200, 255);
}
#sou:hover{
    background:rgb(9, 200, 255);
}
#login{
    width: auto;
    position: absolute;
    right: 10%;
}
#login ul{
    margin-top: 17px;
}
#login ul li{
    width: auto;
    float: left;
    margin-left: 20px;
}

#header a{
    text-decoration: underline;
    color:  rgb(100, 100, 100);
}
#header a:hover{
    color: red;
}

.mag{
    margin-left: 10px;
    margin-right: 10px;
}

#nav{
    width: 100%;
    height: 60px;
    background: rgb(44,50,59);
}

#nav ul{
    margin-left: 10%;
}
/*当前位置*/
#index{
    width: 80px;
    height: 60px;
    float: left;
    background: rgb(9, 170, 255);
}
#nav ul li{
    width: 80px;
    height: 60px;
    float: left;
    position: relative;
    /*cursor: pointer;*/
}
#nav ul li:hover{
    background: rgb(9, 170, 255);
}
#nav ul li a{
    font-size: 18px;
    color: white;
    position: absolute;
    top: 35%;
    left: 25%;
}

#content{
    width: 80%;
    height:700px;
    margin: 0 auto;
}
#footer{
    width: 100%;
    height: 80px;
    background: rgb(44,50,59);
    color: rgb(150,150,150);
}
#txt{
    width: 100%;
    text-align: center;
    padding-top: 30px;
}
#in{
    background: rgb(9, 170, 255);
}